201120200101020 has 24 divisors (see below), whose sum is σ = 563136560283024. Its totient is φ = 53632053360256.

The previous prime is 201120200101001. The next prime is 201120200101021. The reversal of 201120200101020 is 20101002021102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201120200100987 and 201120200101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120200101021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676001667449 + ... + 1676001667568.

It is an arithmetic number, because the mean of its divisors is an integer number (23464023345126).

Almost surely, 2^{201120200101020} is an apocalyptic number.

201120200101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120200101020 is an abundant number, since it is smaller than the sum of its proper divisors (362016360182004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201120200101020 is a wasteful number, since it uses less digits than its factorization.

201120200101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352003335029 (or 3352003335027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201120200101020 its reverse (20101002021102), we get a palindrome (221221202122122).

The spelling of 201120200101020 in words is "two hundred one trillion, one hundred twenty billion, two hundred million, one hundred one thousand, twenty".